GIS & Mapping

GIS & Mapping Services is a branch of Fairfax
County's Department of Information Technology. It is tasked with
developing, maintaining, coordinating, and distributing GIS data
and technology to Fairfax County government agencies and
residents.

By accessing any of the data, maps, or applications provided by
Fairfax County, you agree to the terms in our disclaimer.

Services

Streamlined access to the county's interactive mapping
applications

The GIS & Mapping office provides many GIS data
layers for free, via Open Data, as well as a small set for purchase

Fairfax County has aerial imagery holdings dating back to 1937

Hard copy maps are available at the GIS & Mapping office

News & Information

Dozens of Fairfax County data layers, including parcels, zoning,
address points, and other property-related layers that were previously
only available for purchase, are now free via Open Data.
Topographic data (elevation contours, DEM, spot elevations, masspoints
and breaklines) are available for purchase by county quadrant (see the
Data page for
details). (July 2015)